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Artemisia maritima - L.

Sea Wormwood

Author	L.	Botanical references	17, 200
Family	Compositae	Genus	Artemisia
Synonyms	Seriphidium maritimum - (L.)Poljakov.
Known Hazards	The following notes are from a report on the closely related A. absinthum, they quite possibly also apply to this species. The plant is poisonous if used in large quantities[20, 61]. Even small quantities have been known to cause nervous disorders, convulsions, insomnia etc[222]. Just the scent of the plant has been known to cause headaches and nervousness in some people[169].
Range	Much of Europe, including Britain, east to central Asia.
Habitat	Drier parts of salt marshes[17] in sand and shingle[190].
Edibility Rating	1 (1-5)	Medicinal Rating	2 (1-5)

Physical Characteristics

A decidious Shrub growing to 0.6m.

The plant prefers light (sandy) and medium (loamy) soils, requires well-drained soil and can grow in nutritionally poor soil. The plant prefers acid, neutral and basic (alkaline) soils and can grow in saline soil. It cannot grow in the shade. It requires dry or moist soil and can tolerate drought. The plant can tolerate maritime exposure.

Habitats

Cultivated Beds;

Edible Uses

Edible Uses: Condiment.

The leaves are occasionally used as a flavouring[183]. Some caution is advised, see the notes above on toxicity.

Medicinal Uses

Anthelmintic; Antiseptic; Antispasmodic; Carminative; Cholagogue; Emmenagogue; Febrifuge; Stimulant; Stomachic; Tonic; Vermifuge.

Sea wormwood is not much used in herbal medicine, though it is often used domestically. Its medicinal virtues are similar to wormwood, A. absinthum, though milder in their action. It is used mainly as a tonic to the digestive system, in treating intermittent fevers and as a vermifuge[4]. The leaves and flowering shoots are anthelmintic, antiseptic, antispasmodic, carminative, cholagogue, emmenagogue, febrifuge, stimulant, stomachic, tonic and vermifuge[4, 145]. The plant is harvested as it comes into flower and is dried for later use[4]. The unexpanded floral heads contain the vermicide 'santonin'[218].

Other Uses

Repellent; Strewing.

The growing shoots are said to repel insects and mice[6, 18, 20], they have also been used as a strewing herb[4, 14]. An infusion is said to discourage slugs and insects[14, 18].

Scented Plants

Plant: Crushed

The whole plant has a sweet aromatic smell.

Cultivation details

Succeeds in any soil but prefers a poor dry soil with a warm aspect[37]. Easily grown in a well-drained circumneutral or slightly alkaline loamy soil, preferring a sunny position[1, 200]. Plants are longer lived, more hardy and more aromatic when they are grown in a poor dry soil[245]. Tolerates a pH in the range 6.0 to 7.6. Dislikes shade. Established plants are very drought tolerant[190, 200]. Tolerates maritime exposure[190]. The whole plant has a sweet aromatic smell[245]. Plants in this genus are notably resistant to honey fungus[200]. Members of this genus are rarely if ever troubled by browsing deer[233].

Propagation

Seed - surface sow from late winter to early summer in a greenhouse, making sure that the compost does not dry out[200]. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant out in late spring or early summer. Cuttings of half-ripe wood, July/August in a frame. Division in spring or autumn[200].

Links

Permaculture.info Details of this plant in the Permaculture.info project, a community plant and permaculture database.

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[4] Grieve. A Modern Herbal. Penguin 1984 ISBN 0-14-046-440-9
Not so modern (1930's?) but lots of information, mainly temperate plants.

[6] Mabey. R. Plants with a Purpose. Fontana 1979 ISBN 0-00-635555-2
Details on some of the useful wild plants of Britain. Poor on pictures but otherwise very good.

[14] Holtom. J. and Hylton. W. Complete Guide to Herbs. Rodale Press 1979 ISBN 0-87857-262-7
A good herbal.

[17] Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press 1962
A very comprehensive flora, the standard reference book but it has no pictures.

[18] Philbrick H. and Gregg R. B. Companion Plants. Watkins 1979
Details of beneficial and antagonistic relationships between neighbouring plants.

[20] Riotte. L. Companion Planting for Successful Gardening. Garden Way, Vermont, USA. 1978 ISBN 0-88266-064-0
Fairly good.

[37] Thompson. B. The Gardener's Assistant. Blackie and Son. 1878
Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.

[61] Usher. G. A Dictionary of Plants Used by Man. Constable 1974 ISBN 0094579202
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.

[145] Singh. Dr. G. and Kachroo. Prof. Dr. P. Forest Flora of Srinagar. Bishen Singh Mahendra Pal Singh 1976
A good flora of the western Himalayas but poorly illustrated. Some information on plant uses.

[169] Buchanan. R. A Weavers Garden. 0
Covers all aspects of growing your own clothes, from fibre plants to dyes.

[183] Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990 ISBN 0-9628087-0-9
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.

[190] Chatto. B. The Dry Garden. Dent 1982 ISBN 0460045512
A good list of drought resistant plants with details on how to grow them.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[218] Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985 ISBN 0-917256-20-4
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.

[222] Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America. Houghton Mifflin Co. 1990 ISBN 0395467225
A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.

[233] Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. 1990 ISBN 0 460 86048 8
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.

[245] Genders. R. Scented Flora of the World. Robert Hale. London. 1994 ISBN 0-7090-5440-8
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.

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